原文: Chopinesque Etude No. 4 in B-flat Minor. Chopinesque Etude No. 4 in B-flat Minor composed by Samuel Wellman. Samuel Wellman.
译文: The fourth in my series of etudes in the style of Chopin, using keys he omitted in his own etudes. 塞缪尔·威尔曼. 钢琴方法乐谱. 钢琴独奏乐谱. 先进.